Apples on display at a Yakima, Washington, Wal-Mart. (TJ Mullinax/Good Fruit Grower) Illnesses caused by foodborne pathogens are becoming much easier to track and investigate, and new science — whole genome sequencing — is enabling outbreaks to be traced to the source of the investigation. Frank Yiannas That means apple growers and packers need to up their game, according to Frank Yiannas, vice president of food safety and health for Wal-Mart. “What you did for food safety last year is no longer good enough, and you’re going to have to do something different this year and next year,” Yiannas told […]